The stakes are extremely high in an explosive trial when the widow of a gun massacre victim, represented by attorney Wendell Rohr (Dustin Hoffman), sues the gun's powerful manufacturer. Now, with millions of dollars in the balance, 12 jurors must decide if the gun maker was negligent. However, unscrupulous jury consultant Rankin Fitch (Gene Hackman) believes the verdict is too important to be left in the hands of a jury and will spare no expense to ensure the chosen jury...